android: extract landscape and portrait configs from `android_app`
[nit.git] / lib / mnit_android / android_app.nit
index c070c6c..f8f3139 100644 (file)
 # limitations under the License.
 
 # Impements the services of `mnit:app` using the API from the Android ndk
-module android_app
+module android_app is android_manifest_activity """
+               android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
+               android:configChanges="orientation|keyboardHidden"
+"""
 
 import mnit
 import android
-
-in "C header" `{
-       #include <jni.h>
-       #include <errno.h>
-       #include <android/log.h>
-       #include <android_native_app_glue.h>
-
-       #define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, "mnit", __VA_ARGS__))
-       #ifdef DEBUG
-               #define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "mnit", __VA_ARGS__))
-       #else
-               #define LOGI(...) (void)0
-       #endif
-`}
+import mnit::opengles1
+intrude import ::android::input_events
 
 in "C" `{
        #include <EGL/egl.h>
-       #include <GLES/gl.h>
-       #define GL_GLEXT_PROTOTYPES 1
-       #include <GLES/glext.h>
-       #include <errno.h>
 
        extern EGLDisplay mnit_display;
        extern EGLSurface mnit_surface;
@@ -51,183 +38,28 @@ in "C" `{
 
        //int mnit_orientation_changed;
        float mnit_zoom;
-
-       /* Handle inputs from the Android platform and sort them before
-          sending them in the Nit App */
-       static int32_t mnit_handle_input(struct android_app* app, AInputEvent* event) {
-               App nit_app = app->userData;
-               LOGI("handle input %i", (int)pthread_self());
-               if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_KEY) {
-                       LOGI("key");
-                       return App_extern_input_key(nit_app, event);
-               }
-               else if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION) {
-                       LOGI("motion");
-                       return App_extern_input_motion(nit_app, event);
-               }
-
-               return 0;
-       }
 `}
 
-
-extern class InnerAndroidMotionEvent in "C" `{AInputEvent *`}
-       super Pointer
-       private fun pointers_count: Int is extern `{
-       return AMotionEvent_getPointerCount(recv);
-       `}
-       private fun just_went_down: Bool is extern `{
-       return (AMotionEvent_getAction(recv) & AMOTION_EVENT_ACTION_MASK) == AMOTION_EVENT_ACTION_DOWN;
-       `}
-       private fun edge: Int is extern `{
-       return AMotionEvent_getEdgeFlags(recv);
-       `}
-       private fun index_down_pointer: Int is extern `{
-       int a = AMotionEvent_getAction(recv);
-       if ((a & AMOTION_EVENT_ACTION_MASK) == AMOTION_EVENT_ACTION_POINTER_DOWN)
-               return (a & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
-       else return -1;
-       `}
-
-       private fun action: AMotionEventAction `{ return AMotionEvent_getAction(recv); `}
-end
-
-extern class AMotionEventAction `{ int32_t `}
-       protected fun action: Int `{ return recv & AMOTION_EVENT_ACTION_MASK; `}
-       fun is_down: Bool do return action == 0
-       fun is_up: Bool do return action == 1
-       fun is_move: Bool do return action == 2
-       fun is_cancel: Bool do return action == 3
-       fun is_outside: Bool do return action == 4
-       fun is_pointer_down: Bool do return action == 5
-       fun is_pointer_up: Bool do return action == 6
-end
-
-interface AndroidInputEvent
-       super InputEvent
-end
-
-class AndroidMotionEvent
-       super AndroidInputEvent
-       super MotionEvent
-
-       private init(ie: InnerAndroidMotionEvent) do inner_event = ie
-       private var inner_event: InnerAndroidMotionEvent
-
-       private var pointers_cache: nullable Array[AndroidPointerEvent] = null
-       fun pointers: Array[AndroidPointerEvent]
-       do
-               if pointers_cache != null then
-                       return pointers_cache.as(not null)
-               else
-                       var pointers = new Array[AndroidPointerEvent]
-                       var pointers_count = inner_event.pointers_count
-                       for i in [0 .. pointers_count [do
-                               var pointer_event = new AndroidPointerEvent(self, i)
-                               pointers.add(pointer_event)
-                       end
-                       pointers_cache = pointers
-                       return pointers
-               end
-       end
-
-       redef fun just_went_down: Bool do return inner_event.just_went_down
-       fun edge: Int do return inner_event.edge
-
-       redef fun down_pointer: nullable AndroidPointerEvent
-       do
-               var i = inner_event.index_down_pointer
-               if i > 0 then
-                       return pointers[i]
-               else
-                       return null
-               end
-       end
-end
-
-class AndroidPointerEvent
-       super PointerEvent
-       super AndroidInputEvent
-
-       protected var motion_event: AndroidMotionEvent
-       protected var pointer_id: Int
-
-       redef fun x: Float do return extern_x(motion_event.inner_event, pointer_id)
-       private fun extern_x(motion_event: InnerAndroidMotionEvent, pointer_id: Int): Float is extern `{
-               return ((int) AMotionEvent_getX(motion_event, pointer_id) * mnit_zoom);
-       `}
-
-       redef fun y: Float do return extern_y(motion_event.inner_event, pointer_id)
-       private fun extern_y(motion_event: InnerAndroidMotionEvent, pointer_id: Int): Float is extern `{
-               return ((int) AMotionEvent_getY(motion_event, pointer_id) * mnit_zoom) + 32;
-       `}
-
-       fun pressure: Float do return extern_pressure(motion_event.inner_event, pointer_id)
-       private fun extern_pressure(motion_event: InnerAndroidMotionEvent, pointer_id: Int): Float is extern `{
-               return AMotionEvent_getPressure(motion_event, pointer_id);
-       `}
-
-       redef fun pressed
-       do
-               var action = motion_event.inner_event.action
-               return action.is_down or action.is_move
-       end
-
-       redef fun depressed do return not pressed
-end
-
-extern class AndroidKeyEvent in "C" `{AInputEvent *`}
-       super KeyEvent
-       super AndroidInputEvent
-
-       fun action: Int is extern `{
-               return AKeyEvent_getAction(recv);
-       `}
-       redef fun is_down: Bool do return action == 0
-       redef fun is_up: Bool do return action == 1
-
-       fun key_code: Int is extern `{
-               return AKeyEvent_getKeyCode(recv);
-       `}
-
-       fun key_char: Char is extern `{
-               int code = AKeyEvent_getKeyCode(recv);
-               if (code >= AKEYCODE_0 && code <= AKEYCODE_9)
-                       return '0'+code-AKEYCODE_0;
-               if (code >= AKEYCODE_A && code <= AKEYCODE_Z)
-                       return 'a'+code-AKEYCODE_A;
-               return 0;
-       `}
-
-       fun is_back_key: Bool do return key_code == 2
-       fun is_menu_key: Bool do return key_code == 82
-       fun is_search_key: Bool do return key_code == 84
-end
-
 redef class App
-       redef type IE: AndroidInputEvent
        redef type D: Opengles1Display
 
        redef fun init_window
        do
-               set_as_input_handler native_app_glue
                display = new Opengles1Display
 
                super
        end
 
-       private fun set_as_input_handler(app_glue: NativeAppGlue) import extern_input_key, extern_input_motion `{
-               app_glue->onInputEvent = mnit_handle_input;
-       `}
-
        redef fun full_frame do if not paused then super
 
-       # these are used as a callback from native to type incoming events
-       private fun extern_input_key(event: AndroidKeyEvent): Bool
+       redef fun generate_input do poll_looper 0
+
+       redef fun native_input_key(event)
        do
                return input(event)
        end
-       private fun extern_input_motion(event: InnerAndroidMotionEvent): Bool
+
+       redef fun native_input_motion(event)
        do
                var ie = new AndroidMotionEvent(event)
                var handled = input(ie)
@@ -240,109 +72,4 @@ redef class App
 
                return handled
        end
-
-       redef fun generate_input do poll_looper 0
-end
-
-extern class JavaClassLoader in "Java" `{java.lang.ClassLoader`}
-       super JavaObject
-end
-
-redef class Sys
-       # Get the running JVM
-       redef fun create_default_jvm
-       do
-               var jvm = app.native_app_glue.ndk_native_activity.vm
-               var jni_env = jvm.attach_current_thread
-               if jni_env.address_is_null then jni_env = jvm.env
-
-               self.jvm = jvm
-               self.jni_env = jni_env
-       end
-
-       #protected fun ndk_jvm: JavaVM do`{ return mnit_java_app->activity->vm; `}
-
-       private var class_loader: nullable JavaObject = null
-       private var class_loader_method: nullable JMethodID = null
-       redef fun load_jclass(name)
-       do
-               var class_loader = self.class_loader
-               if class_loader == null then
-                       find_class_loader(app.native_app_glue.ndk_native_activity.java_native_activity)
-                       class_loader = self.class_loader
-                       assert class_loader != null
-               end
-
-               var class_loader_method = self.class_loader_method
-               assert class_loader_method != null
-
-               return load_jclass_intern(class_loader, class_loader_method, name)
-       end
-
-       private fun find_class_loader(native_activity: NativeActivity) import jni_env, class_loader=, JavaObject.as nullable, class_loader_method=, JMethodID.as nullable `{
-               JNIEnv *env = Sys_jni_env(recv);
-
-               // Retrieve main activity
-               jclass class_activity = (*env)->GetObjectClass(env, native_activity);
-               if (class_activity == NULL) {
-                       __android_log_print(ANDROID_LOG_ERROR, "Nit", "retreiving activity class");
-                       (*env)->ExceptionDescribe(env);
-                       exit(1);
-               }
-
-               jmethodID class_activity_getClassLoader = (*env)->GetMethodID(env, class_activity, "getClassLoader", "()Ljava/lang/ClassLoader;");
-               if (class_activity_getClassLoader == NULL) {
-                       __android_log_print(ANDROID_LOG_ERROR, "Nit", "retreiving 'getClassLoader' method");
-                       (*env)->ExceptionDescribe(env);
-                       exit(1);
-               }
-
-               // Call activity.getClassLoader
-               jobject instance_class_loader = (*env)->CallObjectMethod(env, native_activity, class_activity_getClassLoader);
-               if (instance_class_loader == NULL) {
-                       __android_log_print(ANDROID_LOG_ERROR, "Nit", "retreiving class loader instance");
-                       (*env)->ExceptionDescribe(env);
-                       exit(1);
-               }
-
-               jclass class_class_loader = (*env)->GetObjectClass(env, instance_class_loader);
-               if (class_class_loader == NULL) {
-                       __android_log_print(ANDROID_LOG_ERROR, "Nit", "retreiving class of class loader");
-                       (*env)->ExceptionDescribe(env);
-                       exit(1);
-               }
-
-               // Get the method ClassLoader.findClass
-               jmethodID class_class_loader_findClass = (*env)->GetMethodID(env, class_class_loader, "findClass", "(Ljava/lang/String;)Ljava/lang/Class;");
-               if (class_class_loader_findClass == NULL) {
-                       __android_log_print(ANDROID_LOG_ERROR, "Nit", "retreiving 'findClass' method");
-                       (*env)->ExceptionDescribe(env);
-                       exit(1);
-               }
-
-               // Return the values to Nit
-               Sys_class_loader__assign(recv, JavaObject_as_nullable((*env)->NewGlobalRef(env, instance_class_loader)));
-               Sys_class_loader_method__assign(recv, JMethodID_as_nullable(class_class_loader_findClass));
-
-               // Clean up
-               (*env)->DeleteLocalRef(env, class_activity);
-               (*env)->DeleteLocalRef(env, instance_class_loader);
-               (*env)->DeleteLocalRef(env, class_class_loader);
-       `}
-
-       private fun load_jclass_intern(instance_class_loader: JavaObject, class_loader_findClass: JMethodID, name: NativeString): JClass import jni_env `{
-               JNIEnv *env = Sys_jni_env(recv);
-               jobject class_name = (*env)->NewStringUTF(env, name);
-
-               jclass java_class = (*env)->CallObjectMethod(env, instance_class_loader, class_loader_findClass, class_name);
-               if (java_class == NULL) {
-                       __android_log_print(ANDROID_LOG_ERROR, "Nit", "loading targetted class");
-                       (*env)->ExceptionDescribe(env);
-                       exit(1);
-               }
-
-               (*env)->DeleteLocalRef(env, class_name);
-
-               return java_class;
-       `}
 end